how-does-vr-work?

http://www.wareable.com/vr/how-does-vr-work-explained

https://ca.finance.yahoo.com/news/box-developing-virtual-reality-applications-000000302.html

http://www.vrs.org.uk/virtual-reality-gear/glasses/how-do-they-work.html

http://www.wired.com/2016/03/everything-need-know-buying-vr-headset/

https://www.google.ca/search?q=Box+is+working+on+VR+technology&oq=Box+is+working+on+VR+technology&aqs=chrome..69i57&sourceid=chrome&ie=UTF-8